Favre-Leuba Watch Deep Blue 41 00.10106.08.52.20. Favre-Leuba watches can already look back to a history spanning 280 years. A history characterized by bold, pioneering thinking; numerous innovations and technological excellence. What started with Abraham Favres small workshop in the Swiss municipality of Le Locle in 1737 developed rapidly into a manufacture whose watches were known worldwide for their high functionality, precision, and reliability under every climatic condition.